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WO/2019/153548A1 |
Disclosed by the present invention is an optical coherence tomography (CT)-based starting standby transformer open-phase detection method: using a starting standby transformer in a power plant as a standby power source, the same being in...
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WO/2019/154555A1 |
The invention relates to a method for the external monitoring of a converter (10), the converter (10) being controlled by means of a first electronic control system (12) and the method being implemented by means of a second electronic co...
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WO/2019/155613A1 |
A first clamp circuit 4 clamps a voltage between a gate of a switching element Q1 and a first terminal to a first clamp voltage or lower. A control circuit 2 that controls the switching element Q1 has: a drive unit 5 that drives the swit...
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WO/2019/155890A1 |
Provided is a power feeding control device in which a control unit determines, after an instruction for turning off a first switch has been issued, whether a current is flowing through at least one of the first switch. The control unit, ...
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WO/2019/154856A1 |
Provided is a nano grid protection device for a nano grid including a distributed power supply, a large power grid including the nano grid protection device, and a method for controlling the nano grid protection device, wherein the nano ...
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WO/2019/150092A1 |
A device comprising a high temperature superconductor, HTS, circuit; wherein the HTS circuit comprises: a quenchable section comprising HTS material and connected in series to other elements of the HTS circuit, the HTS material comprisin...
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WO/2019/149385A1 |
The invention is concerned with a neutral arrangement (NA) for a converter station (RS) of a direct current power transmission system comprising a first converter (22) with such a converter station and with such a system. The neutral arr...
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WO/2019/149785A1 |
The invention concerns a conversion station (4) comprising: - a connection interface (460) to an AC grid (91); - a connection interface to a DC grid comprising first and second poles (441, 442); - an AC/DC converter (42); - for each of t...
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WO/2019/149416A1 |
The invention relates to a device for protecting at least one consumer in an on-board power supply, particularly of a motor vehicle, comprising at least one switching means (32) for supplying at least one consumer (22, 26, 28, 46) with e...
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WO/2019/150619A1 |
This transformer protection relay device of an embodiment has an acquisition unit and an arithmetic unit. The arithmetic unit: calculates at least the differential current of the phase current on a primary side of a transformer and the p...
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WO/2019/150091A1 |
A monitoring device for use in a cryogenic system. The monitoring device comprises first (201) and second (202) conducting elements and a current detector (205). The first conducting element comprises high temperature superconducting, HT...
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WO/2019/152587A1 |
A system and method are provided for presence based automatic operation of a marine barrier gate for protecting a secured area. Embodiments include a system having RFID sensors outside and inside the secured area, and proximal the gate. ...
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WO/2019/144580A1 |
A transformer overload protection method based on an electronic intelligent low-voltage circuit breaker. The method is characterized by setting the maximum permissible load current Imax and n overload current limits Ii in an electronic i...
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WO/2019/146520A1 |
A battery control unit (120) is provided with an operation control unit which controls the operation of a battery pack (10) including a secondary battery (111) during charging and discharging. The operation control unit, at the start of ...
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WO/2019/141461A1 |
The invention relates to a circuit assembly (100) for applying an electric signal to an electric load (101), comprising a signal connection (102), to which the electric signal can be applied, and a first signal branch (103), in which a s...
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WO/2019/141589A1 |
The invention relates to a device for configuring a clamping detection system, comprising an adjusting device which has an electric motor for closing at least one opening in a vehicle, such as a sliding roof. The device is provided with ...
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WO/2019/143415A1 |
An exemplary apparatus provides a regulated DC voltage output from an input from supply DC voltage source. A regulation circuit having an input terminal coupled to the supply DC voltage source, an output terminal on which is provided the...
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WO/2019/130071A1 |
The invention provides a device for fault location in a power transmission system. The power transmission system connects at least a first terminal, a second terminal and a third terminal, and comprises at least a first section, a second...
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WO/2019/124678A1 |
A power supply system according to an embodiment comprises: a power generation device for generating electric energy; an inverter for inverting the electric energy into an alternating current; an energy storage system for receiving the e...
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WO/2019/120395A1 |
A method for operating a wind turbine generator connected to a power network to account for recurring voltage faults on the power network caused by automatic reclosure of at least one circuit breaker following a short-circuit. The method...
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WO/2019/120536A1 |
A method is provided for operating a converter station (120) in a HVDC transmission system including a DC transmission link (110) having a first end (112) at which the converter station (120) is connected and a second end (114) at which ...
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WO/2019/121131A1 |
It is an object to provide a device for estimating the equivalent input voltage of a boost converter. According to a first aspect, a device is configured to apply a switching signal to a boost converter, wherein the boost converter is co...
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WO/2019/119947A1 |
An islanding protection device for a distributed power supply and a detection algorithm thereof. The islanding protection device comprises a step-down transformer (1), a current-limiting reactor (2), a thyristor (3), and a controller uni...
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WO/2019/120518A1 |
There is provided mechanisms for zero sequence differential protection of a transmission line of a power system. An arrangement comprises a zero sequence differential protection unit configured for, using current measurements of each pha...
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WO/2019/115143A1 |
The invention relates to a method for checking plausibility in the power supply (20) of an electric motor (12) having three phases (u, v, w) that are in a defined symmetrical relationship with respect to one another, wherein only two cur...
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WO/2019/115496A1 |
The invention relates to an electrochemical energy storage module and to a vehicle having an energy storage module of this type. At least one energy storage cell and at least one bridging device are electrically connected in parallel. Th...
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WO/2019/114393A1 |
A quench protection apparatus for a superconducting magnet system, comprising: a superconducting coil group, wherein the superconducting coil group comprises two symmetrical superconducting coils (5); a protective diode (4) is connected ...
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WO/2019/113762A1 |
A clamp (1), comprising: a first clamp body (10), provided with an electrically-conductive first jaw part (11); a bridge mechanism (40), for electrically connecting to an electrode and comprising a reciprocating component (41), a flexibl...
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WO/2019/110454A1 |
The invention relates to a fail-safe operating method for a local power generation plant LPGP (1) comprising the steps of: before connecting the LPGP (1), determining a leakage capacitance of a generator (11) of the LPGP (1), comparing t...
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WO/2019/110588A1 |
The invention relates to safeguarding a high-voltage network which is supplied by an electrical power source, such as for example a traction battery of an electric vehicle. For this purpose, according to the invention, one or more additi...
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WO/2019/112729A1 |
A method for isolating faults in an electrical power system connected to a power grid includes dividing the electrical power system into a plurality of power modules each including a plurality of electrical power subsystems and a substat...
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WO/2019/106917A1 |
A load abnormality detecting circuit for an inverter to detect abnormality of a load during an operation of the inverter which has a switching element and a phase synchronizing loop controlling an output frequency to be a resonance frequ...
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WO/2019/105486A1 |
Provided is a differential protection determination method, suitable for a multi-end T-connection transmission line, and comprising: sampling all phase currents, and calculating a maximum fault component current Δİmax of each phase cur...
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WO/2019/105487A1 |
Provided by the present application are a differential protection method and system, suitable for a multi-terminal T-connection transmission line. The differential protection method comprises: selecting and then connecting two slaves tha...
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WO/2019/102055A1 |
The invention relates to a system and method for protecting against faults between turns in excitation windings of synchronous machines with static excitation, which is based on comparison between the excitation intensity measured and th...
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WO/2019/101433A1 |
The invention relates to a bus terminal (101, 201, 301, 401) and to a method for monitoring a power supply network (403, 601, 701) of an automation system (600, 700). According to the invention, the power supply network (403, 601, 701) m...
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WO/2019/098111A1 |
A detection device executes a process comprising: a step for executing an internal resistance calculation process (S104); a step for calculating the resistance ratio with a parallel cell group to be compared (S106); a step for executing ...
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WO/2019/097311A1 |
The invention provides a method for fault location in a power transmission line. The method comprises obtaining (802) a plurality of parameters associated with travelling waves detected from measurements carried out at a first and second...
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WO/2019/097149A1 |
The aim of the invention is an electric motor (10), particularly for an air blower for a heating, ventilation and/or air conditioning device for a motor vehicle, comprising: - a shaft (100); - an electrical collector (120) borne by the s...
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WO/2019/098661A1 |
Disclosed in various embodiments of the present invention are a device and a method for reducing standby power consumption in an electronic device. An electronic device comprises: a power supply device for supplying power for driving the...
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WO/2019/099123A1 |
A power adapter and method of use wherein a power adapter provided with a power supply portion and human detection and cooling circuitry may be cooled and/or disabled upon detection of a human proximate the power adapter. In use, a volta...
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WO/2019/095684A1 |
An ASIC chip system for protecting and controlling a lithium battery, comprising: a main control unit module (150); a bus interface module (10); a single battery cell detection module (21), one end of which is connected to each single ba...
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WO/2019/096402A1 |
A fault handling arrangement in a DC power system (10) comprises a first fault handling unit (18) configured to, upon the detecting of a fault (F) of a first power line (L1) interconnecting a first converter (CONV 1) in a first converter...
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WO/2019/097580A1 |
This power system comprises: a power conditioner; and a relay that detects the occurrence of an accident with a transmission line on the basis of whether current limiting control of the power conditioner is being executed. The power cond...
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WO/2019/097157A1 |
The invention relates to an electrical machine for a motor vehicle, said electrical machine comprising at least one alternator mode comprising: a temperature sensor for measuring the temperature of the stator; a rotor comprising an energ...
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WO/2019/097035A1 |
The invention relates to an energy supply device (18, 42) comprising at least one inverter (20, 20b) and at least one battery assembly (22) connected to the inverter (20, 20b), wherein the inverter (20, 20b) has a DC battery connection (...
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WO/2019/096692A1 |
In a mechatronic module (1) having a hybrid circuit arrangement (2), the hybrid circuit arrangement (2) has at least one interrupter (3), which interrupter (3) comprises at least one first mechanical switch (4) and at least one first sem...
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WO/2019/097312A1 |
The invention provides a method and device for fault location in a power transmission line. The method comprises obtaining (202) arrival times of first and second peaks of travelling waves detected at a first terminal and a second termin...
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WO/2019/092555A1 |
A safety switch for controlling the access to industrial machines or plants comprises a switching device (2) adapted to be associated with a fixed part (F) of the access (B) to be controlled and having switching means operably connectabl...
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WO/2019/093571A1 |
The present invention relates to a device for protecting an inverter for photovoltaic power generation, which is capable of performing an inverter protection operation in response to an occurrence of external force as well as neutral wir...
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